CN104570356A - Single image source binocular near-to-eye display device - Google Patents
Single image source binocular near-to-eye display device Download PDFInfo
- Publication number
- CN104570356A CN104570356A CN201510057023.0A CN201510057023A CN104570356A CN 104570356 A CN104570356 A CN 104570356A CN 201510057023 A CN201510057023 A CN 201510057023A CN 104570356 A CN104570356 A CN 104570356A
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- display device
- shutter
- image source
- level crossing
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/24—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a single image source binocular near-to-eye display device. The display device comprises a lens assembly, a first transflective plane mirror, a second transflective plane mirror, a third transflective plane mirror, a first plane reflector, a second plane reflector, a first concave reflector, a second concave reflector, a first shutter and a second shutter; a light ray arrives the first shutter after orderly passing through the lens assembly, the first transflective plane mirror, the first plane reflector, the second transflective plane mirror and the first concave reflector; the light ray arrives the second shutter after orderly passing through the lens assembly, the first transflective plane mirror, the second plane reflector, the third transflective plane mirror and the second concave reflector. The single image source binocular near-to-eye display device disclosed by the invention only contains one image source, is compact in structure, light in weight and beneficial for developing head-wearing equipment; the single image source binocular near-to-eye display device can be used as a normal binocular display device as well as a binocular stereoscopic display device.
Description
Technical field
The present invention relates to image display technology field, be specifically related to a kind of free hand drawing image source binocular near-eye display device.
Background technology
Nearly eye display device, also referred to as head mounted display, is applied to the fields such as military affairs, scientific research, education, training, Commercial Exhibition, medical treatment, amusement.Along with virtual reality technology and the fast development strengthening virtual reality technology, the demand of nearly eye display device is more and more higher.Nearly eye display device will be worn over head for a long time, should be convenient to wear and carry.Therefore more and more outstanding for the microminiaturization of display device, portability and high performance requirement.Based on the shutter binocular near-eye display device of sequential, its display screen timesharing display left images, and control liquid crystal shutter glasses by synchronous signal transmitter and synchronous signal receiver, make display screen show left (right side) eye pattern as time a left side (right side) lens printing opacity and the right side (left side) lens is light tight, its principal feature is the frame frequency of requirement display is the twice of regular display.
General nearly eye display device mostly is monocular formula or bilateral type binocular (digraph image source), and its deficiency is: monocular shows because two images received are inconsistent, easily causes visual fatigue; And bilateral type binocular both sides independently comprise a set of display system, cause whole display device heavier-weight, and expensive.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, provide a kind of free hand drawing image source binocular near-eye display device, overcome the nearly eye display device of prior art monocular formula and easily cause visual fatigue, bilateral type binocular near-eye display device heavier-weight, and expensive defect.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
A kind of free hand drawing image source binocular near-eye display device, comprise lens combination, first semi-transparent semi-reflecting level crossing, second semi-transparent semi-reflecting level crossing, 3rd semi-transparent semi-reflecting level crossing, first plane mirror, second plane mirror, first concave mirror, second concave mirror, first shutter and the second shutter, light is scioptics group successively, first semi-transparent semi-reflecting level crossing, first plane mirror, second semi-transparent semi-reflecting level crossing, first concave mirror, the first shutter is arrived after second semi-transparent semi-reflecting level crossing, light is scioptics group successively, first semi-transparent semi-reflecting level crossing, second plane mirror, 3rd semi-transparent semi-reflecting level crossing, second concave mirror, the second shutter is arrived after 3rd semi-transparent semi-reflecting level crossing.
According to a particular embodiment of the invention, the first shutter and the second shutter are set to liquid crystal shutter.
According to a particular embodiment of the invention, described lens combination comprises a prism, is provided with lens and gummed mirror after described prism.
According to a particular embodiment of the invention, by adjusting the first semi-transparent semi-reflecting level crossing, the light path of the first plane mirror make the first shutter and the second shutter near or away from.
According to a particular embodiment of the invention, the first concave mirror and the second concave mirror are set to spherical mirror.
Implement technical scheme of the present invention, there is following beneficial effect: (1) free hand drawing image source of the present invention binocular near-eye display device only comprises an image source, compact conformation, lightweight, is more conducive to being developed to headset equipment; (2) free hand drawing image source binocular near-eye display device of the present invention both can be used as common binocular display devices, can be used as again binocular solid display device; (3) free hand drawing image source binocular near-eye display device of the present invention has comparatively Large visual angle; (4) because different user's right and left eyes spacing there are differences, free hand drawing image source binocular near-eye display device of the present invention can make light path integral left move right by the position or angle regulating semi-transparent semi-reflecting lens and plane mirror, thus regulate right and left eyes spacing, to adapt to different users; (5) free hand drawing image source binocular near-eye power consumption of display devices of the present invention is low, price is low, is more conducive to accepted by the public.
Accompanying drawing explanation
Below by with reference to accompanying drawing describe the present invention particularly in conjunction with example, advantage of the present invention and implementation will be more obvious, wherein content shown in accompanying drawing is only for explanation of the present invention, and does not form restriction of going up in all senses of the present invention, in the accompanying drawings:
Fig. 1 is free hand drawing image source binocular near-eye display device schematic diagram of the present invention;
Fig. 2 is free hand drawing image source binocular near-eye display device one tunnel of the present invention light path schematic diagram;
Fig. 3 is lens combination schematic diagram of the present invention;
Fig. 4 is modular transfer function MTF schematic diagram of the present invention.
Embodiment
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, free hand drawing image source binocular near-eye display device of the present invention, comprise lens combination 11, first semi-transparent semi-reflecting level crossing 12, second semi-transparent semi-reflecting level crossing 15, 3rd semi-transparent semi-reflecting level crossing 16, first plane mirror 13, second plane mirror 14, first concave mirror 17, second concave mirror 18, first shutter 19 and the second shutter 20, light is scioptics group 11 successively, first semi-transparent semi-reflecting level crossing 12, first plane mirror 13, second semi-transparent semi-reflecting level crossing 15, first concave mirror 17, the first shutter 19 is arrived after second semi-transparent semi-reflecting level crossing 15, light is scioptics group 11 successively, first semi-transparent semi-reflecting level crossing 12, second plane mirror 14, 3rd semi-transparent semi-reflecting level crossing 16, second concave mirror 18, the second shutter 20 is arrived after 3rd semi-transparent semi-reflecting level crossing 16.According to a particular embodiment of the invention, the first shutter 19 and the second shutter 20 are set to liquid crystal shutter.By the light path adjusting the first semi-transparent semi-reflecting level crossing 12, first plane mirror 13 make the first shutter 19 and the second shutter 20 near or away from.First concave mirror 17 and the second concave mirror 18 are set to spherical mirror.
1. free hand drawing image source binocular near-eye display device of the present invention, the display of nearly eye can be realized, the light that the image source 10 comprising lighting device sends, scioptics group 11 successively, semi-transparent semi-reflecting lens 12, plane mirror 13, semi-transparent semi-reflecting level crossing 15, concave mirror 17, semi-transparent semi-reflecting level crossing 15, liquid crystal shutter 19 arrives the right eye 31 of beholder, the light that the image source 10 comprising lighting device sends, successively by lens combination 11 that this device comprises, semi-transparent semi-reflecting lens 12, plane mirror 14, semi-transparent semi-reflecting level crossing 16, concave mirror 18, semi-transparent semi-reflecting lens 16, liquid crystal shutter 20 arrives the left eye 32 of beholder.Wherein left eye 32 is parallel with 311 with the sight line 321 of right eye 31.
2. the spacing of eyes and device remaining part is greater than 10mm.
3. the one side of semi-transparent semi-reflecting level crossing is coated with semi-transparent semi-reflecting film.
4. concave mirror concave surface is coated with total reflection film.
5. the type of image source 10 comprises the band LCD display of lighting device, digital micro-mirror chip DMD (Digital Micromirror Devices), liquid crystal cover silicon LCOS (liquid crystal onsilicon) etc.
6. right eye light path integral left can move right by position or angle by regulating semi-transparent semi-reflecting lens 12 and plane mirror 13, thus regulates right and left eyes spacing, to adapt to different users.
Specific embodiment of the invention light path parameter is as shown in table 1.
Table 1
Optical system parameter of the present invention is as shown in table 2, can find out that free hand drawing image source binocular near-eye display device of the present invention has good MTF and less distortion.
Table 2
| Parameter | Unit | Numerical value | Remarks |
| Focal length | mm | -6.97mm | Twice imaging |
| Field angle | ° | 59.6 | Diagonal line field angle |
| Distortion | ％ | 1 | |
| MTF | ％ | 53 | @93lp/mm |
Those skilled in the art do not depart from essence of the present invention and spirit, various deformation scheme can be had to realize the present invention, the foregoing is only the better feasible embodiment of the present invention, not thereby interest field of the present invention is limited to, the equivalent structure change that all utilizations instructions of the present invention and accompanying drawing content are done, is all contained within interest field of the present invention.
Claims (5)
1. a free hand drawing image source binocular near-eye display device, it is characterized in that: comprise lens combination, first semi-transparent semi-reflecting level crossing, second semi-transparent semi-reflecting level crossing, 3rd semi-transparent semi-reflecting level crossing, first plane mirror, second plane mirror, first concave mirror, second concave mirror, first shutter and the second shutter, light is scioptics group successively, first semi-transparent semi-reflecting level crossing, first plane mirror, second semi-transparent semi-reflecting level crossing, first concave mirror, the first shutter is arrived after second semi-transparent semi-reflecting level crossing, light is scioptics group successively, first semi-transparent semi-reflecting level crossing, second plane mirror, 3rd semi-transparent semi-reflecting level crossing, second concave mirror, the second shutter is arrived after 3rd semi-transparent semi-reflecting level crossing.
2. free hand drawing image source binocular near-eye display device according to claim 1, is characterized in that: the first shutter and the second shutter are set to liquid crystal shutter.
3. free hand drawing image source binocular near-eye display device according to claim 1, is characterized in that: described lens combination comprises a prism, is provided with lens and gummed mirror after described prism.
4. free hand drawing image source binocular near-eye display device according to claim 1, is characterized in that: by adjusting the first semi-transparent semi-reflecting level crossing, the light path of the first plane mirror make the first shutter and the second shutter near or away from.
5. free hand drawing image source binocular near-eye display device according to claim 1, is characterized in that: the first concave mirror and the second concave mirror are set to spherical mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057023.0A CN104570356A (en) | 2015-02-03 | 2015-02-03 | Single image source binocular near-to-eye display device |
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| CN201510057023.0A CN104570356A (en) | 2015-02-03 | 2015-02-03 | Single image source binocular near-to-eye display device |
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| CN104570356A true CN104570356A (en) | 2015-04-29 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700144A (en) * | 2016-03-04 | 2016-06-22 | 深圳超多维光电子有限公司 | Head-mounted image display device |
| CN105700145A (en) * | 2016-03-04 | 2016-06-22 | 深圳超多维光电子有限公司 | Head-mounted image display device |
| CN106908953A (en) * | 2017-03-28 | 2017-06-30 | 陈超平 | A kind of binocular near-eye display device of integrated vision correction |
| CN108152951A (en) * | 2016-12-06 | 2018-06-12 | 台达电子工业股份有限公司 | Head-mounted display apparatus |
| CN108181707A (en) * | 2017-12-12 | 2018-06-19 | 首影科技（深圳）有限公司 | A kind of 3D imaging methods, sight path system and head-mounted display apparatus |
| CN110426854A (en) * | 2019-08-09 | 2019-11-08 | 北京耐德佳显示技术有限公司 | A kind of optical system and near-eye display device |
| US10506223B2 (en) | 2016-06-12 | 2019-12-10 | Superd Technology Co., Ltd. | Method, apparatus, and device for realizing virtual stereoscopic scene |
| CN111487775A (en) * | 2020-05-20 | 2020-08-04 | 宁波鸿蚁光电科技有限公司 | Binocular optical display system for multiplexing light source folding light path and wearable equipment |
| WO2021042891A1 (en) * | 2019-09-03 | 2021-03-11 | 舜宇光学（浙江）研究院有限公司 | Near-eye display optical system and near-eye display device |
| CN113341558A (en) * | 2021-08-02 | 2021-09-03 | 深圳纳德光学有限公司 | Reflective eyepiece optical system and head-mounted near-to-eye display device |
| CN113341556A (en) * | 2021-08-02 | 2021-09-03 | 深圳纳德光学有限公司 | Reflective eyepiece optical system and head-mounted near-to-eye display device |
| CN113341555A (en) * | 2021-08-02 | 2021-09-03 | 深圳纳德光学有限公司 | Reflective eyepiece optical system and head-mounted near-to-eye display device |
| WO2021232677A1 (en) * | 2020-05-20 | 2021-11-25 | 宁波鸿蚁光电科技有限公司 | Binocular optical display system having multiplexed light source and folding light path, and wearable device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700144A (en) * | 2016-03-04 | 2016-06-22 | 深圳超多维光电子有限公司 | Head-mounted image display device |
| CN105700145A (en) * | 2016-03-04 | 2016-06-22 | 深圳超多维光电子有限公司 | Head-mounted image display device |
| US10506223B2 (en) | 2016-06-12 | 2019-12-10 | Superd Technology Co., Ltd. | Method, apparatus, and device for realizing virtual stereoscopic scene |
| CN108152951A (en) * | 2016-12-06 | 2018-06-12 | 台达电子工业股份有限公司 | Head-mounted display apparatus |
| CN108152951B (en) * | 2016-12-06 | 2020-05-12 | 台达电子工业股份有限公司 | Head-mounted display device |
| CN106908953A (en) * | 2017-03-28 | 2017-06-30 | 陈超平 | A kind of binocular near-eye display device of integrated vision correction |
| CN108181707A (en) * | 2017-12-12 | 2018-06-19 | 首影科技（深圳）有限公司 | A kind of 3D imaging methods, sight path system and head-mounted display apparatus |
| CN110426854A (en) * | 2019-08-09 | 2019-11-08 | 北京耐德佳显示技术有限公司 | A kind of optical system and near-eye display device |
| WO2021042891A1 (en) * | 2019-09-03 | 2021-03-11 | 舜宇光学（浙江）研究院有限公司 | Near-eye display optical system and near-eye display device |
| CN111487775A (en) * | 2020-05-20 | 2020-08-04 | 宁波鸿蚁光电科技有限公司 | Binocular optical display system for multiplexing light source folding light path and wearable equipment |
| WO2021232677A1 (en) * | 2020-05-20 | 2021-11-25 | 宁波鸿蚁光电科技有限公司 | Binocular optical display system having multiplexed light source and folding light path, and wearable device |
| CN113341558A (en) * | 2021-08-02 | 2021-09-03 | 深圳纳德光学有限公司 | Reflective eyepiece optical system and head-mounted near-to-eye display device |
| CN113341556A (en) * | 2021-08-02 | 2021-09-03 | 深圳纳德光学有限公司 | Reflective eyepiece optical system and head-mounted near-to-eye display device |
| CN113341555A (en) * | 2021-08-02 | 2021-09-03 | 深圳纳德光学有限公司 | Reflective eyepiece optical system and head-mounted near-to-eye display device |
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